Armchair



FIG. 1 is a three-quarter perspective view of an armchair in accordancewith this invention;

FIG. 2 is a bottom view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a rear view thereof; and

FIG. 6 is a top view thereof.

The ornamental design for an armchair, as shown.